# Use lightweight Python image
FROM python:3.10-slim

# Set working directory
WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y \
    build-essential \
    gcc \
    git \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements first (better caching)
COPY requirements.txt .

# Install Python dependencies
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir -r requirements.txt

# Copy all project files
COPY . .

# Hugging Face Spaces requires port 7860
EXPOSE 7860

# Run Streamlit app on correct port
CMD ["streamlit", "run", "app.py", "--server.port=7860", "--server.address=0.0.0.0"]